Improves the styling of the ListItem component based on whether it is interactive or not (#2501)

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## Self Checklist

- [x] I wrote a PR title in **English** and added an appropriate
**label** to the PR.
- [x] I wrote the commit message in **English** and to follow [**the
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- [x] I [added the
**changeset**](https://github.com/changesets/changesets/blob/main/docs/adding-a-changeset.md)
about the changes that needed to be released. (or didn't have to)
- [x] I wrote or updated **documentation** related to the changes. (or
didn't have to)
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## Related Issue

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<!-- Fixes #0000 -->

## Summary

<!-- Please brief explanation of the changes made -->

Improves the styling of the `ListItem` component based on whether it is
interactive or not

## Details

<!-- Please elaborate description of the changes -->

- `onClick` 여부에 따라 커서, 호버 스타일을 차등 적용합니다.
- `disabled` 상태의 커서를 기본값이 아니라, 다른 컴포넌트와 마찬가지로 `not-allowed` 를 사용하도록
변경합니다.

### Breaking change? (Yes/No)

<!-- If Yes, please describe the impact and migration path for users -->

No

## References

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aware of -->

Author: sungik-choi

.changeset/long-hornets-grin.md

@@ -0,0 +1,5 @@
+---
+'@channel.io/bezier-react': patch
+---
+
+Improves the styling of the `ListItem` component based on whether it is interacted with or not.

packages/bezier-react/src/components/ListItem/ListItem.module.scss

@@ -3,8 +3,6 @@
 }
 
 .ListItem {
-  cursor: pointer;
-
   overflow: hidden;
   display: flex;
   align-items: center;
@@ -43,12 +41,16 @@
     border-radius: var(--radius-12);
   }
 
+  &:where(.clickable) {
+    cursor: pointer;
+  }
+
   &:where(.disabled) {
-    cursor: default;
+    cursor: not-allowed;
     opacity: var(--opacity-disabled);
   }
 
-  &:where(:not(.disabled, .active)) {
+  &:where(.clickable:not(.disabled, .active)) {
     &:where(.focused, :focus-visible) {
       background-color: var(--bg-black-lighter);
     }

packages/bezier-react/src/components/ListItem/ListItem.tsx

@@ -49,6 +49,7 @@ export const ListItem = forwardRef<ListItemRef, ListItemProps>(
     },
     forwardedRef
   ) {
+    const clickable = !isNil(onClick)
     const isLink = !isEmpty(href)
     const Comp = isLink ? 'a' : ((as ?? 'div') as 'div')
 
@@ -67,6 +68,7 @@ export const ListItem = forwardRef<ListItemRef, ListItemProps>(
           disabled && styles.disabled,
           focused && styles.focused,
           active && styles.active,
+          clickable && styles.clickable,
           className
         )}
         ref={forwardedRef}